There were 7,623 households out of which 33.50% had children under the age of 18 living with them, 62.40% were
married couples living together, 6.60% had a female householder with no husband present, and 27.20% were non-families. 23.50% of all households were made up of individuals and 11.80% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.10.

In the county, the population was spread out with 25.80% under the age of 18, 8.00% from 18 to 24, 28.20% from 25 to 44, 22.80% from 45 to 64, and 15.20% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 100.60 males. For every 100 females age 18 and over, there were 98.80 males.